<span>The most appropriate response would be for the nurse to ask the patient about their current concerns. This allows for the patient to actually elucidate what he or she is feeling at the time and does not hamstring the provider into actually giving a set length of time that they feel the patient has left to live, which can vary greatly from person to person.</span>
The generalization that all organisms are composed of cells was established through multiple observations in various kinds of animals and plants. A controlled experiment of finding cells in all the kinds of living organisms is not possible or is infeasible as it will require prior knowledge of all the kinds of organisms inhabiting Earth and the effort to catch and bring them in the controlled environment of the lab for testing.